The space activity of the countries of the strategic triangle: USA, Russia and China are considered in the report in the framework of the modern peculiarities study and in the sense of prevailing trajectory of the development. According to the opinion of the official political circles of the USA, these countries are in the condition of the great power competition. The growth of the importance and enlargement of the spectrum of the strategic, political, economic, and scientific- technological countries’ interests, servicing by the space activities are noted. The essential contribution of the above- mentioned process to the cause of competition is also emphasized. The influence of the space activity on the sphere of the national and international threats, the common approach and the most important changes in the field of the security in the condition of the severe strengthening of the triple character (civil, military and commercial) of the space technologies and connected with them activities is discussed.